Home / 3,523.35-4,857.62-3,031.28

Finding the Fourth Proportional to 3,523.35, 4,857.62 and 3,031.28

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Solution

The fourth proportional to 3,523.35, 4,857.62 and 3,031.28 is: 4,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.35 : 4,857.62 = 3,031.28 : x
  2. Step 2: Convert to fraction form
    3,523.35/4,857.62 = 3,031.28/x
  3. Step 3: Cross multiply
    3,523.35x = 4,857.62 × 3,031.28
  4. Step 4: Simplify right side
    3,523.35x = 14,724,806.35
  5. Step 5: Solve for x
    x = 14,724,806.35/3,523.35
  6. Step 6: Final answer
    x = 4,179.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.